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2883
Arithmetic Coding
Hard
2890
Exact degrees
Medium
2903
Parking
Very easy
2915
XOR pairs
Easy
2919
Is this the left pile?
Easy
2920
Height of the left tree
2921
The Right Path of the Left Tree
Very easy
2994
System of equations
Very hard
3008
Elevator
Hard
3017
Bus Trip
Easy
3041
Crossroads
Medium
3067
Distributing Ballot Boxes
3076
Nothing On TV
Medium
3089
Very Boring Homework
Medium
3125
Find the Treasure
3143
Lexicographically smallest ternary
Medium
3186
Invisible point
Very easy
3254
01110001, That Is the Question
3312
Operator
3319
Four Points
Very easy
3325
Worst Locations
Very easy
3326
Counting BST
3332
Serial Numbers
Easy
3344
Vampire Numbers
Very easy
3349
Cube Root
Very easy
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